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(12) Patent: | (11) CA 2215809 |
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(54) English Title: | A PLUG SCREW-FEEDER |
(54) French Title: | DISPOSITIF D'ALIMENTATION A VIS SANS FIN |
Status: | Expired |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : |
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(74) Agent: | FETHERSTONHAUGH & CO. |
(74) Associate agent: | |
(45) Issued: | 2006-06-13 |
(22) Filed Date: | 1997-09-18 |
(41) Open to Public Inspection: | 1998-03-19 |
Examination requested: | 2002-06-05 |
Availability of licence: | N/A |
(25) Language of filing: | English |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | ||||||
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A plug screw-feeder includes a conical feed screw (10) whose one end is rotatably mounted in a conical screw tube (11) and whose other end is provided with a drive shaft (14). The drive shaft (14) is axially and radially mounted in a bearing arrangement (16, 17). The bearing arrangement comprises two pairs of rolling bearings (16, 17) which are tightened between a fixed ring (21) on the drive shaft (14) and an axially adjustable sleeve (20) on the drive shaft (14). The sleeve (20) is positioned between one of the rolling bearings (16, 17) and a nut (22) in screw-thread engagement with the shaft (14).
Ce dispositif d'alimentation à vis sans fin comprend une vis d'introduction conique (10) dont une extrémité est fixée par pivot à un tube de vis conique (11) et l'autre extrémité est fixée à un arbre d'entraînement (14). L'arbre d'entraînement (14) est fixé dans l'axe et en étoile à un montage à roulement (16 et 17). Le montage à roulement comprend deux paires de roulements (16 et 17) qui sont fixés entre un anneau fixe (21) de l'arbre d'entraînement (14) et un manchon d'accouplement réglable axialement (20) de l'arbre d'entraînement (14). Le manchon d'accouplement (20) est placé entre l'un des roulements (16 et 17) et un boulon (22) et est couplé à l'arbre d'entraînement (14) par un système de filetage.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
For a clearer understanding of the status of the application/patent presented on this page, the site Disclaimer , as well as the definitions for Patent , Administrative Status , Maintenance Fee and Payment History should be consulted.
Title | Date |
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Forecasted Issue Date | 2006-06-13 |
(22) Filed | 1997-09-18 |
(41) Open to Public Inspection | 1998-03-19 |
Examination Requested | 2002-06-05 |
(45) Issued | 2006-06-13 |
Expired | 2017-09-18 |
There is no abandonment history.
Fee Type | Anniversary Year | Due Date | Amount Paid | Paid Date |
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Registration of a document - section 124 | $100.00 | 1997-09-18 | ||
Application Fee | $300.00 | 1997-09-18 | ||
Maintenance Fee - Application - New Act | 2 | 1999-09-20 | $100.00 | 1999-08-20 |
Maintenance Fee - Application - New Act | 3 | 2000-09-18 | $100.00 | 2000-08-21 |
Maintenance Fee - Application - New Act | 4 | 2001-09-18 | $100.00 | 2001-08-23 |
Request for Examination | $400.00 | 2002-06-05 | ||
Maintenance Fee - Application - New Act | 5 | 2002-09-18 | $150.00 | 2002-08-23 |
Maintenance Fee - Application - New Act | 6 | 2003-09-18 | $150.00 | 2003-08-22 |
Maintenance Fee - Application - New Act | 7 | 2004-09-20 | $200.00 | 2004-08-20 |
Maintenance Fee - Application - New Act | 8 | 2005-09-19 | $200.00 | 2005-08-31 |
Final Fee | $300.00 | 2006-03-31 | ||
Maintenance Fee - Patent - New Act | 9 | 2006-09-18 | $200.00 | 2006-08-21 |
Maintenance Fee - Patent - New Act | 10 | 2007-09-18 | $250.00 | 2007-08-21 |
Maintenance Fee - Patent - New Act | 11 | 2008-09-18 | $250.00 | 2008-09-08 |
Maintenance Fee - Patent - New Act | 12 | 2009-09-18 | $250.00 | 2009-09-01 |
Maintenance Fee - Patent - New Act | 13 | 2010-09-20 | $250.00 | 2010-08-23 |
Maintenance Fee - Patent - New Act | 14 | 2011-09-19 | $250.00 | 2011-09-02 |
Maintenance Fee - Patent - New Act | 15 | 2012-09-18 | $450.00 | 2012-08-23 |
Maintenance Fee - Patent - New Act | 16 | 2013-09-18 | $450.00 | 2013-09-05 |
Maintenance Fee - Patent - New Act | 17 | 2014-09-18 | $450.00 | 2014-09-12 |
Maintenance Fee - Patent - New Act | 18 | 2015-09-18 | $450.00 | 2015-07-24 |
Maintenance Fee - Patent - New Act | 19 | 2016-09-19 | $450.00 | 2016-08-29 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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SUNDS DEFIBRATOR INDUSTRIES AB |
Past Owners on Record |
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KJELLQVIST, OLOF |